Home / 50,688,013.60-76,050,682.80-20,417,600.80

Finding the Fourth Proportional to 50,688,013.60, 76,050,682.80 and 20,417,600.80

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Solution

The fourth proportional to 50,688,013.60, 76,050,682.80 and 20,417,600.80 is: 30,633,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,013.60 : 76,050,682.80 = 20,417,600.80 : x
  2. Step 2: Convert to fraction form
    50,688,013.60/76,050,682.80 = 20,417,600.80/x
  3. Step 3: Cross multiply
    50,688,013.60x = 76,050,682.80 × 20,417,600.80
  4. Step 4: Simplify right side
    50,688,013.60x = 1,552,772,481,977,826.25
  5. Step 5: Solve for x
    x = 1,552,772,481,977,826.25/50,688,013.60
  6. Step 6: Final answer
    x = 30,633,918.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.